A boundary between two ecological communities where elements mix is called?

• A. Landscape Ecology
• B. Nutrient Cycles
• C. Ecotones
• D. Conservation Biologists

Answer: (C)

Ecotones are boundaries between ecological communities where elements mix. They are transition zones where species from both sides, and sometimes unique edge-adapted species, come together. Edges form where environmental gradients—like moisture, soil type, light, or disturbance—change, so you get a blend of characteristics from each side. Ecotones can be narrow or broad and often show distinctive interactions and can even host higher biodiversity because of the mixing of habitats. An everyday example is the edge between a forest and a grassland, or the riparian zone where a river meets land. The other terms described don’t refer to a boundary between communities: landscape ecology is the study of spatial patterns across landscapes, nutrient cycles describe element flows, and conservation biologists are professionals working to protect species and habitats.